{
  c1=new TCanvas;
  h1=new TH2D("h1","",18,0,18,100,0.1,120);
  //AliTRDdEdxBaseUtils::BinLogX(h1->GetYaxis());
  Chambertree->Draw("size:idSM>>h1","","colz");
  gStyle->SetOptStat("enou");
  h1->SetTitle("");
  h1->SetXTitle("Sector");
  h1->SetYTitle("Event Size (kB)");
  gPad->SetLogz();
  h1->Draw("colz");
  gStyle->SetOptStat(0);
  c1->Print("size_sm.png");

  Eventtree->Draw("dataVolume:iEvent>>h2(110,0,11000,100,0, 20)","dataVolume>1e-10","colz");
  gStyle->SetOptStat("enou");
  h2->SetTitle("");
  h2->SetXTitle("Event");
  h2->SetYTitle("Event Size (MB)");
  h2->Draw("colz");
  gStyle->SetOptStat(0);
  c1->Print("size_event.png");


}
